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addEventListener not working in IE8
...n't support XMLHttpRequest.attachEvent() so you have to use XMLHttpRequest.onload = function() {} instead.
function addEvent(el, e, f) {
if (el.attachEvent) {
return el.attachEvent('on'+e, f);
}
else {
return el.addEventListener(e, f, false);
}
}
var ajax = new XMLH...
Deserializing a JSON into a JavaScript object
...
Your server-side script processes that data.
Using JSON.parse:
window.onload = function(){
var placeholder = document.getElementById('placeholder1');
placeholder.innerHTML = JSON.parse(json)[0].adjacencies[0].nodeTo;
}
will throw:
Uncaught SyntaxError: Unexpected token u in JSON at posit...
Make Iframe to fit 100% of container's remaining height
...t;
document.getElementById('ifm').style.height = height + 'px';
}
// .onload doesn't work with IE8 and older.
if (iframe.attachEvent) {
iframe.attachEvent("onload", resizeIframe);
} else {
iframe.onload=resizeIframe;
}
window.onresize = resizeIframe;
Note: ifm is the iframe ID
pag...
Include jQuery in the JavaScript Console
... and use the following line for URL:
javascript:(function(e,s){e.src=s;e.onload=function(){jQuery.noConflict();console.log('jQuery injected')};document.head.appendChild(e);})(document.createElement('script'),'//code.jquery.com/jquery-latest.min.js')
Below is the formatted code:
javascript: (funct...
Reading file contents on the client-side in javascript in various browsers
...eader = new FileReader();
reader.readAsText(file, "UTF-8");
reader.onload = function (evt) {
document.getElementById("fileContents").innerHTML = evt.target.result;
}
reader.onerror = function (evt) {
document.getElementById("fileContents").innerHTML = "error reading f...
How can I set focus on an element in an HTML form using JavaScript?
...
For plain Javascript, try the following:
window.onload = function() {
document.getElementById("TextBoxName").focus();
};
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How to save an image to localStorage and display it on the next page?
... when you call reader.readAsDataURL the e.target.result sent to the reader.onload handler will be all you need.
– James H. Kelly
Jun 24 '15 at 17:22
...
How To Save Canvas As An Image With canvas.toDataURL()?
...vas);
}
</script>
</head>
<body onload="draw()">
<canvas width=200 height=200 id="thecanvas"></canvas>
<div><button onclick="to_image()">Draw to Image</button></div>
<image id="theimage">&...
Load a WPF BitmapImage from a System.Drawing.Bitmap
...age.StreamSource = memory;
bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
bitmapImage.EndInit();
}
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Ajax, back button and DOM updates
...om the standard cache) and re-rendered from scratch, including running all onload handlers. When returning to a page via the bfcache, the DOM is kept in its previous state, without needing to fire onload handlers (because the page is already loaded).
Note that the behavior of the bfcache is differ...